upgrade to latest dependencies

bumping knative.dev/pkg 1f39e94...a902bbf:
  > a902bbf Replace NewConfigFromEnv with DefaultConfigFromEnv (# 3328)

Signed-off-by: Knative Automation <automation@knative.team>

Author: knative-automation

go.mod

@@ -10,7 +10,7 @@ require (
 	k8s.io/code-generator v0.35.2
 	k8s.io/kube-openapi v0.0.0-20250910181357-589584f1c912
 	knative.dev/hack v0.0.0-20260212092700-0126b283bf20
-	knative.dev/pkg v0.0.0-20260302190359-1f39e94ef003
+	knative.dev/pkg v0.0.0-20260304131155-a902bbfa38de
 )
 
 require (

go.sum

@@ -229,8 +229,8 @@ k8s.io/utils v0.0.0-20251002143259-bc988d571ff4 h1:SjGebBtkBqHFOli+05xYbK8YF1Dzk
 k8s.io/utils v0.0.0-20251002143259-bc988d571ff4/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0=
 knative.dev/hack v0.0.0-20260212092700-0126b283bf20 h1:Ocya6ILPQxGrozD5gPELC4J2ASnqvTLvYGJjddKr4Fs=
 knative.dev/hack v0.0.0-20260212092700-0126b283bf20/go.mod h1:L5RzHgbvam0u8QFHfzCX6MKxu/a/gIGEdaRBqNiVbl0=
-knative.dev/pkg v0.0.0-20260302190359-1f39e94ef003 h1:VG+CUgVKm+mLEudP16wLj++xDM2PuVFeua9+MLLBUa8=
-knative.dev/pkg v0.0.0-20260302190359-1f39e94ef003/go.mod h1:mV8s7Uc92am8byZSJPIaVm1NBr0h8vsFL+sEEvMoBbk=
+knative.dev/pkg v0.0.0-20260304131155-a902bbfa38de h1:cz1QT/L7SNC+dF47xYRPJt1WRP/HfTx8+KoZjmGA8V8=
+knative.dev/pkg v0.0.0-20260304131155-a902bbfa38de/go.mod h1:mV8s7Uc92am8byZSJPIaVm1NBr0h8vsFL+sEEvMoBbk=
 sigs.k8s.io/json v0.0.0-20250730193827-2d320260d730 h1:IpInykpT6ceI+QxKBbEflcR5EXP7sU1kvOlxwZh5txg=
 sigs.k8s.io/json v0.0.0-20250730193827-2d320260d730/go.mod h1:mdzfpAEoE6DHQEN0uh9ZbOCuHbLK5wOm7dK4ctXE9Tg=
 sigs.k8s.io/randfill v1.0.0 h1:JfjMILfT8A6RbawdsK2JXGBR5AQVfd+9TbzrlneTyrU=